// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/ozone/platform/caca/ozone_platform_caca.h"

#include "base/macros.h"
#include "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
#include "ui/events/ozone/layout/no/no_keyboard_layout_engine.h"
#include "ui/ozone/common/native_display_delegate_ozone.h"
#include "ui/ozone/common/stub_overlay_manager.h"
#include "ui/ozone/platform/caca/caca_event_source.h"
#include "ui/ozone/platform/caca/caca_window.h"
#include "ui/ozone/platform/caca/caca_window_manager.h"
#include "ui/ozone/public/cursor_factory_ozone.h"
#include "ui/ozone/public/gpu_platform_support.h"
#include "ui/ozone/public/gpu_platform_support_host.h"
#include "ui/ozone/public/input_controller.h"
#include "ui/ozone/public/ozone_platform.h" // nogncheck
#include "ui/ozone/public/system_input_injector.h"

namespace ui {

namespace {

    class OzonePlatformCaca : public OzonePlatform {
    public:
        OzonePlatformCaca() { }
        ~OzonePlatformCaca() override { }

        // OzonePlatform:
        ui::SurfaceFactoryOzone* GetSurfaceFactoryOzone() override
        {
            return window_manager_.get();
        }
        OverlayManagerOzone* GetOverlayManager() override
        {
            return overlay_manager_.get();
        }
        CursorFactoryOzone* GetCursorFactoryOzone() override
        {
            return cursor_factory_ozone_.get();
        }
        InputController* GetInputController() override
        {
            return input_controller_.get();
        }
        GpuPlatformSupport* GetGpuPlatformSupport() override
        {
            return gpu_platform_support_.get();
        }
        GpuPlatformSupportHost* GetGpuPlatformSupportHost() override
        {
            return gpu_platform_support_host_.get();
        }
        scoped_ptr<SystemInputInjector> CreateSystemInputInjector() override
        {
            return nullptr; // no input injection support.
        }
        scoped_ptr<PlatformWindow> CreatePlatformWindow(
            PlatformWindowDelegate* delegate,
            const gfx::Rect& bounds) override
        {
            scoped_ptr<CacaWindow> caca_window(new CacaWindow(
                delegate, window_manager_.get(), event_source_.get(), bounds));
            if (!caca_window->Initialize())
                return nullptr;
            return std::move(caca_window);
        }
        scoped_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate() override
        {
            return make_scoped_ptr(new NativeDisplayDelegateOzone());
        }
        base::ScopedFD OpenClientNativePixmapDevice() const override
        {
            return base::ScopedFD();
        }

        void InitializeUI() override
        {
            window_manager_.reset(new CacaWindowManager);
            overlay_manager_.reset(new StubOverlayManager());
            event_source_.reset(new CacaEventSource());
            cursor_factory_ozone_.reset(new CursorFactoryOzone());
            gpu_platform_support_host_.reset(CreateStubGpuPlatformSupportHost());
            input_controller_ = CreateStubInputController();
            KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(
                make_scoped_ptr(new NoKeyboardLayoutEngine()));
        }

        void InitializeGPU() override
        {
            gpu_platform_support_.reset(CreateStubGpuPlatformSupport());
        }

    private:
        scoped_ptr<CacaWindowManager> window_manager_;
        scoped_ptr<CacaEventSource> event_source_;
        scoped_ptr<CursorFactoryOzone> cursor_factory_ozone_;
        scoped_ptr<GpuPlatformSupport> gpu_platform_support_;
        scoped_ptr<GpuPlatformSupportHost> gpu_platform_support_host_;
        scoped_ptr<InputController> input_controller_;
        scoped_ptr<OverlayManagerOzone> overlay_manager_;

        DISALLOW_COPY_AND_ASSIGN(OzonePlatformCaca);
    };

} // namespace

OzonePlatform* CreateOzonePlatformCaca()
{
    return new OzonePlatformCaca;
}

} // namespace ui
